driver's already on the system - it's no third-party (proprietary) driver. But as I tried to hint at, it's often the case that hardware recognition sets conservative defaults. Look for documentation about the file /etc/X11/xorg.conf
and study its contents. The new tools don't store many settings in xorg.conf
- it's easy to add mode lines to set the values you need.
Here's a source for information: https://wiki.ubuntu.com/X/Config/Resolution
I'm using a VooDoo3
adapter with the vesa
driver at 1024x768 with no problems - I think this is what most distributions fall back to.